Remove index.php from URL in CodeIgniter Framework

Create .htaccess file in root folder of project as below:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]

In CodeIgniter Project, Open config.php file in config folder. Set value for base_url config as below:

$config['base_url'] = 'http://localhost:9092/LearnCodeIgniterWithRealApps/';

In CodeIgniter Project, Open config.php file in config folder. Set value for index_page config as below:

$config['index_page'] = '';

Create new PHP file named demo.php in controllers folder as below:

<?php defined('BASEPATH') OR exit('No direct script access allowed');

class Demo extends CI_Controller {

	public function index()
	{
		$this->load->view('demo/index');
	}
}

In CodeIgniter Project, Open routes.php file in config folder. Set value for default_controller as below:

$route['default_controller'] = 'demo';

Create new folder named demo in views folder. In this folder, create new PHP file named index.php as below:

<?php defined('BASEPATH') or exit('No direct script access allowed'); ?>
<html>
	<head>
		<title>Demo Page</title>
	</head>
	<body>

		<h3>Demo Page</h3>

	</body>
</html>

Access index action in Demo controller with following url: http://localhost:9092/LearnCodeIgniterWithRealApps/demo/index

Output

I recommend you refer to the books below to learn more about the knowledge in this article:

Create .htaccess

Set BASE URL

Remove index.php in Config File

Create Controller

Set Default Controller

Create View

Structure of CodeIgniter Project

Run Application

References